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Now showing items 141-160 of 11257

Bringing children’s dictionaries to digital life

Author: Wilken, Ilana ; Marais, Laurette Date: Nov 2023 South Africa is facing a literacy crisis, with the latest PIRLS results showing that 8 out of 10 learners cannot read for basic comprehension by the time they leave the foundation phase. In this climate, the development of strategies to assist ... Read more
Experience in profiling and optimizing a 5G standAlone Radio Access Network (RAN) based on an open source testbed

Author: Mamushiane, Lusani ; Lysko, Albert A ; Mwangama, J ; Kobo, Hlabishi I ; Otieno, HO Date: Aug 2023 The adoption of 5G technology in Africa has been increasing steadily, with initial emphasis on non-standalone (NSA) architecture to leverage existing 4G investments and accelerate return on investment. The uptake of standalone (SA) 5G has ... Read more
Deploying a stable 5G SA testbed using srsRAN and Open5GS: UE integration and troubleshooting towards network slicing

Author: Mamushiane, Lusani ; Lysko, Albert A ; Kobo, Hlabishi I ; Mwangama, J Date: Aug 2023 Field trials and experimentation are crucial for accelerating the adoption of standalone (SA) 5G in Africa. Traditionally, only network operators and vendors had the opportunity for practical experimentation due to proprietary systems and ... Read more
Exploring the association between ambient temperature and daily hospital admissions for diarrhea in Mopani District, Limpopo Province, South Africa

Author: Kunene, Z ; Kapwata, T ; Mathee, A ; Sweijd, Neville A ; Minakawa, N ; Naidoo, N ; Wright, CY Date: Apr 2023 Diarrhea contributes significantly to global morbidity and mortality. There is evidence that diarrhea prevalence is associated with ambient temperature. This study aimed to determine if there was an association between ambient temperature and ... Read more
Public bodies compliance to PAI and SDI Act: An enabler for geospatial information freedom

Author: Fourie, Nicolene MR Date: Aug 2023 This paper discusses the policy environments of two acts in South Africa, the South African Spatial Data Infrastructure Act (Act 54 of 2003) (SDI Act) and the Promotion of Access to Information Act, 2000 (Act 2 of 2000), which promote ... Read more
Development of a multiplex HIV/TB diagnostic assay based on the microarray technology

Author: Malatji, Kanyane ; Singh, Advaita A ; Thobakgale, C ; Alexandre, Kabamba Date: Sep 2023 Currently there are diagnostic tests available for human immunodeficiency virus (HIV) and tuberculosis (TB); however, they are still diagnosed separately, which can delay treatment in cases of co-infection. Here we report on a multiplex ... Read more
Health risks of temperature variability on hospital admissions in Cape Town, 2011-2016

Author: Makunyane, MS ; Rautenbach, H ; Sweijd, Neville A ; Botai, J ; Wichmann, J Date: Jan 2023 Epidemiological studies have provided compelling evidence of associations between temperature variability (TV) and health outcomes. However, such studies are limited in developing countries. This study aimed to investigate the relationship ... Read more
Utilizing a novel high-resolution malaria dataset for climate-informed predictions with a deep learning transformer model

Author: Pillay, MT ; Minakawa, N ; Kim, Y ; Kgalane, N ; Ratnam, JV ; Behera, SK ; Hashizume, M ; Sweijd, Neville A Date: Dec 2023 Climatic factors influence malaria transmission via the effect on the Anopheles vector and Plasmodium parasite. Modelling and understanding the complex effects that climate has on malaria incidence can enable important early warning capabilities. ... Read more
Proposed methodology of optimizing the secondary public transport network of a city in demand

Author: Rathogwa, Mashudu ; Singano, Afika P Date: Jul 2023 In 2019/20, it was of major importance to identify an alternative network within the Integrated Public Transport Network (IPTN) that can meet the increasing population demands. Being composed of high-capacity corridors, the current IPTN still ... Read more
A circum-antarctic plankton isoscape: Carbon export potential across the summertime Southern Ocean

Author: Stirnimann, J ; Bornman, TG ; Forrer, HJ ; Mirkin, J ; Ryan-Keogh, Thomas J ; Flynn, RF ; Dorrington, RA ; Verheye, HM ; Fawcett, SE Date: Jan 2024 The Southern Ocean accounts for 30% of the ocean's CO2 sink, partly due to its biological pump that transfers surface-produced organic carbon to deeper waters. To estimate large-scale Southern Ocean carbon export potential and characterize ... Read more
A scoping review of applying the Delphi method based on how the COVID-19 pandemic impacted conducting research pandemic impacted conducting research

Author: Thulare, Tumiso ; Maremi, Keneilwe J ; Herselman, Martha E Date: Dec 2023 South Africa and the world had been adversely affected by the Coronavirus pandemic. It became nearly impossible to host face-to-face interviews for data collection as meeting in person increased the risk of infections. It was difficult to ... Read more
The circular economy, human settlements and municipal government

Author: Cooper, Antony K ; Kruger, Tinus ; Godfrey, Linda K ; Napier, Mark Date: Jan 2024 The linear economy is where resources (including energy and space) move through the economy in one direction, from being harvested, collected or mined, through refining and processing to create products and services, to uses and consumption, ... Read more
A UAV based system for real-time near-infrared monitoring of small-scale wildfires

Author: Magidimisha, Edwin ; Nana, Muhammad A ; Naidoo, Seelenthren ; Naidoo, Shrikant V ; Faniso-Mnyaka, Zimbini ; Skosana, Vusi J Date: 2023 Wildfires are a global threat that is becoming more severe and widespread due to climate change. These fires not only pose a significant risk to human life, firefighters, and infrastructure, but also endanger forest resources, increase ... Read more
Gauging the accuracy of automatic speech data harvesting in five under-resourced languages

Author: Badenhorst, Jacob AC ; De Wet, F Date: Mar 2023 Recent research on deep-learning architectures has resulted in substantial improvements in automatic speech recognition accuracy. The leaps of progress made in well-resourced languages can be attributed to the fact that these architectures ... Read more
A critical appraisal of various implementation approaches for realtime pothole anomaly detection: Towards safer roads in developing nations

Author: Bello-Salau, H ; Onumanyi, Adeiza J ; Adebiyi, RF ; Adekale, AD ; Bello, RS ; Ajayi, O Date: Oct 2023 Road infrastructure is essential to national security and growth. Potholes on the road surface causes accidents and costly automotive damage. Novel technology that detects potholes and alerts drivers in real time may address this challenge. ... Read more
Defining cyber warfare capability attributes and characteristics for African Cyber Missions

Author: Thaba, James M ; Mtsweni, Jabu S Date: Nov 2023 The domains of warfare have become complex, where cyberspace is declared as the fifth domain. The complexity of cyber space is that it is borderless, and war could be launched from anywhere, and is a serious concern for national security. ... Read more
Multimodal, multilingual dynamic stories for literacy development and language learning

Author: Marais, Laurette ; Wilken, Ilana ; Pretorius, L ; Posthumus, L Date: Jul 2023 © 2023 Copyright held by the owner/author(s). Paper presented at the 5th International Conference on Conversational User Interfaces, Eindhoven, The Netherlands, 19-21 July 2023 Read more
Towards Stress Testing Open5GS Core (UPF Node) On A 5G Standalone Testbed

Author: Mamushiane, Lusani ; Lysko, Albert A ; Makhosa, Thoriso M ; Mwangama, J ; Kobo, Hlabishi I ; Mbanga, Alec ; Tshimange, Rofhiwa Date: Sep 2023 The global market for 5G technology has been experiencing significant growth and is expected to continue expanding rapidly in the foreseeable future. In 2020 alone, more than 225 million 5G smartphones were sold worldwide. This trend urges ... Read more
A comparative study of supercritical fluid extraction and accelerated solvent extraction of lipophilic compounds from lignocellulosic biomass

Author: Khanyile, AT ; Andrew, Jerome E ; Paul, V ; Sithole, Bishop B Date: May 2022 The Box-Behnken experimental design technique investigated a comparative study of supercritical fluid extraction (SFE) and accelerated solvent extraction (ASE) of lipophilic compounds from pinewood sawdust. A response surface methodology was ... Read more
Process and materials design via statistical modeling for Inconel-625/tungsten carbide wear-resistant composite coatings fabricated by laser direct metal deposition technique

Author: Olakanmi, EO ; Hoosain, Shaik E ; Lawal, SA ; Pityana, Sisa L Date: Mar 2023 It is critical that coating’s microstructural characteristics are designed to meet its wear-resistance functional requirement. To the best of our knowledge, no study had related carbide dissolution ratio (CDR) in laser deposited Inconel 625 ... Read more

Now showing items 141-160 of 11257

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